Stanwood A. Murphy Elementary (Data source)
Source data for Stanwood A. Murphy Elementary
2015
| Step 1 | Step 2 | Step 3 | ||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Get Mean Scale Score from line numbers in this data file. | Subtract 'met min' Scale Score. from Mean Scale Score to get Distance From Standard | Multiply Distance From Standard by proportion of students in grade. | ||||||||||||
| Grade | Line number |
Mean Scale Score |
- | Scale Score: met min |
= | Distance from standard |
* | (Students tested in grade |
/ | Students) tested in school |
= | Weighted Distance From Standard |
||
| 3 | 420863 | 2349 | - | 2436 | = | -87 | * | (32 | / | 152) | = | -18.31578941 | ||
| 4 | 420866 | 2437 | - | 2485 | = | -48 | * | (18 | / | 152) | = | -5.6842105 | ||
| 5 | 420867 | 2436 | - | 2528 | = | -92 | * | (32 | / | 152) | = | -19.36842098 | ||
| 6 | 420870 | 2488 | - | 2552 | = | -64 | * | (31 | / | 152) | = | -13.05263155 | ||
| 7 | 420871 | 2535 | - | 2567 | = | -32 | * | (18 | / | 152) | = | -3.78947366 | ||
| 8 | 420874 | 2540 | - | 2586 | = | -46 | * | (21 | / | 152) | = | -6.35526312 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2015 Difference From Standard for Stanwood A. Murphy Elementary | -67 | ||||||||||||
2016
| Step 1 | Step 2 | Step 3 | ||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Get Mean Scale Score from line numbers in this data file. | Subtract 'met min' Scale Score. from Mean Scale Score to get Distance From Standard | Multiply Distance From Standard by proportion of students in grade. | ||||||||||||
| Grade | Line number |
Mean Scale Score |
- | Scale Score: met min |
= | Distance from standard |
* | (Students tested in grade |
/ | Students) tested in school |
= | Weighted Distance From Standard |
||
| 3 | 13164 | 2418 | - | 2436 | = | -18 | * | (27 | / | 155) | = | -3.13548386 | ||
| 4 | 13165 | 2412 | - | 2485 | = | -73 | * | (30 | / | 155) | = | -14.12903225 | ||
| 5 | 13167 | 2475 | - | 2528 | = | -53 | * | (21 | / | 155) | = | -7.18064511 | ||
| 6 | 13170 | 2534 | - | 2552 | = | -18 | * | (29 | / | 155) | = | -3.36774193 | ||
| 7 | 13171 | 2570 | - | 2567 | = | 3 | * | (25 | / | 155) | = | 0.48387097 | ||
| 8 | 13173 | 2593 | - | 2586 | = | 7 | * | (23 | / | 155) | = | 1.03870967 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2016 Difference From Standard for Stanwood A. Murphy Elementary | -26 | ||||||||||||
2017
| Step 1 | Step 2 | Step 3 | ||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Get Mean Scale Score from line numbers in this data file. | Subtract 'met min' Scale Score. from Mean Scale Score to get Distance From Standard | Multiply Distance From Standard by proportion of students in grade. | ||||||||||||
| Grade | Line number |
Mean Scale Score |
- | Scale Score: met min |
= | Distance from standard |
* | (Students tested in grade |
/ | Students) tested in school |
= | Weighted Distance From Standard |
||
| 3 | 13494 | 2402 | - | 2436 | = | -34 | * | (21 | / | 141) | = | -5.06382978 | ||
| 4 | 13497 | 2441 | - | 2485 | = | -44 | * | (26 | / | 141) | = | -8.11347517 | ||
| 5 | 13498 | 2438 | - | 2528 | = | -90 | * | (24 | / | 141) | = | -15.31914885 | ||
| 6 | 13500 | 2522 | - | 2552 | = | -30 | * | (16 | / | 141) | = | -3.40425531 | ||
| 7 | 13502 | 2573 | - | 2567 | = | 6 | * | (30 | / | 141) | = | 1.27659574 | ||
| 8 | 13504 | 2585 | - | 2586 | = | -1 | * | (24 | / | 141) | = | -0.17021277 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2017 Difference From Standard for Stanwood A. Murphy Elementary | -31 | ||||||||||||
2018
| Step 1 | Step 2 | Step 3 | ||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Get Mean Scale Score from line numbers in this data file. | Subtract 'met min' Scale Score. from Mean Scale Score to get Distance From Standard | Multiply Distance From Standard by proportion of students in grade. | ||||||||||||
| Grade | Line number |
Mean Scale Score |
- | Scale Score: met min |
= | Distance from standard |
* | (Students tested in grade |
/ | Students) tested in school |
= | Weighted Distance From Standard |
||
| 3 | 13490 | 2405 | - | 2436 | = | -31 | * | (18 | / | 137) | = | -4.07299269 | ||
| 4 | 13493 | 2425 | - | 2485 | = | -60 | * | (24 | / | 137) | = | -10.51094886 | ||
| 5 | 13494 | 2444 | - | 2528 | = | -84 | * | (24 | / | 137) | = | -14.7153284 | ||
| 6 | 13497 | 2507 | - | 2552 | = | -45 | * | (23 | / | 137) | = | -7.5547445 | ||
| 7 | 13498 | 2587 | - | 2567 | = | 20 | * | (17 | / | 137) | = | 2.48175182 | ||
| 8 | 13501 | 2577 | - | 2586 | = | -9 | * | (31 | / | 137) | = | -2.03649635 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2018 Difference From Standard for Stanwood A. Murphy Elementary | -36 | ||||||||||||
2019
| Step 1 | Step 2 | Step 3 | ||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Get Mean Scale Score from line numbers in this data file. | Subtract 'met min' Scale Score. from Mean Scale Score to get Distance From Standard | Multiply Distance From Standard by proportion of students in grade. | ||||||||||||
| Grade | Line number |
Mean Scale Score |
- | Scale Score: met min |
= | Distance from standard |
* | (Students tested in grade |
/ | Students) tested in school |
= | Weighted Distance From Standard |
||
| 3 | 13610 | 2400 | - | 2436 | = | -36 | * | (19 | / | 120) | = | -5.69999999 | ||
| 4 | 13611 | 2467 | - | 2485 | = | -18 | * | (18 | / | 120) | = | -2.7 | ||
| 5 | 13612 | 2504 | - | 2528 | = | -24 | * | (21 | / | 120) | = | -4.2 | ||
| 6 | 13613 | 2552 | - | 2552 | = | 0 | * | (24 | / | 120) | = | 0.0 | ||
| 7 | 13614 | 2520 | - | 2567 | = | -47 | * | (20 | / | 120) | = | -7.8333333 | ||
| 8 | 13615 | 2634 | - | 2586 | = | 48 | * | (18 | / | 120) | = | 7.2 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2019 Difference From Standard for Stanwood A. Murphy Elementary | -13 | ||||||||||||
Last steps
Compute the average
| 2015 | 2016 | 2017 | 2018 | 2019 | Sum | Average |
|---|---|---|---|---|---|---|
| -67 | -26 | -31 | -36 | -13 | -173.0 | -34.6 |
Compute the Upper Control Limit
Simply compute the standard deviation and multiply by 3 and add to the average: 25.4
Compute the Lower Control Limit
Simply compute the standard deviation and multiply by 3 and subtract from the average: -94.6
For the lines, you have the data necessary to plot the chart.
Very last step
The percent of students getting a Free or Reduced Price Meal comes from the following sources:
| 2015 | 2016 | 2017 | 2018 | 2019 | |
|---|---|---|---|---|---|
| Percent | 65% | 64% | 58% | 67% | 68% |
| Data source | 2015 data file | 2016 data file | 2017 data file | 2018 data file | 2019 data file |
Scotia Union Elementary school district | County of Humboldt
THIS chart shows what the school system "wants"
PLUS a "special" or "outside" cause of variation: wealth/poverty.
NOT what teachers want.
NOT what principals want.
NOT what parents want.
Stanwood A. Murphy Elementary math proficiency
Zero+ meets standard.
53% less $meal
45% less $meal
39% less $meal
52% less $meal
54% less $meal
• Any result above zero is proficient; below is not proficient. • There is a 99% chance that results will remain the same in coming years, which is to say, between the Upper and Lower Control Limits (the gray lines). • The houses with the % of students receiving a Free or Reduced Price Meal is a measure of wealth/poverty.
Elementary School in 1 School District (Public) schools in Scotia Union Elementary (1)
| Stanwood A. Murphy Elementary |